Android 頁面傳參 頁面跳轉

 

 Android 頁面傳參 頁面跳轉

 

LoginActivity.java

 

package com.cloud.android;import android.app.Activity;import android.app.AlertDialog;import android.app.AlertDialog.Builder;import android.content.DialogInterface;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.EditText;public class LoginActivity extends Activity {private EditText userNameEditText,pwdEditText;private Button loginBtn,cancelBtn;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.login);        setTitle("登入");        userNameEditText = (EditText) findViewById(R.id.username);        pwdEditText = (EditText) findViewById(R.id.password);                loginBtn = (Button) findViewById(R.id.loginButton);        cancelBtn = (Button) findViewById(R.id.calcelButton);        cancelBtn.setOnClickListener(new OnClickListener() {public void onClick(View v) {exitAlert("真的要退出嗎？");}});                        loginBtn.setOnClickListener(new OnClickListener() {public void onClick(View v) {String username = userNameEditText.getText().toString();String password = pwdEditText.getText().toString();//跳轉Intent intent = new Intent(LoginActivity.this, ResultActivity.class);intent.putExtra("name", username);intent.putExtra("pwd", password);startActivity(intent);}});    }    /**     * 退出提示確認框     * @param msg     */    private void exitAlert(String msg) {Builder builder = new Builder(this);builder.setMessage(msg).setCancelable(false).setPositiveButton("確定", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {finish();}}).setNegativeButton("取消", new DialogInterface.OnClickListener() {public void onClick(DialogInterface dialog, int which) {return;}});AlertDialog alert = builder.create();alert.show();//builder.show();}}

 

 

 

ResultActivity.java

 

package com.cloud.android;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.widget.TextView;public class ResultActivity extends Activity {private TextView usernameTextView,passwordTextView;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.result);usernameTextView = (TextView) findViewById(R.id.UserNameTextView);passwordTextView = (TextView) findViewById(R.id.PassWordTextView);Intent intent = getIntent();String name = intent.getStringExtra("name");String pwd = intent.getStringExtra("pwd");usernameTextView.setText(name);passwordTextView.setText(pwd);}}

 

 

 

layout布局檔案 login.xml

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >   <TableLayout        android:layout_width="fill_parent"       android:layout_height="fill_parent"       android:stretchColumns="1">       <TableRow>                       <TextView                android:id="@+id/TextView"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="使用者名稱：" />        <EditText         android:id="@+id/username"        android:layout_width="fill_parent"        android:layout_height="wrap_content" />       </TableRow>        <TableRow>                       <TextView                android:id="@+id/TextView"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="密碼："/>        <EditText         android:id="@+id/password"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:password="true"  />       </TableRow>        <TableRow android:gravity="right">                       <Button                android:id="@+id/loginButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="登入" />        <Button         android:id="@+id/calcelButton"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="取消" />       </TableRow>   </TableLayout></LinearLayout>

 

 

result.xml

 

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical" >     <TextView            android:id="@+id/UserNameTextView"        android:layout_width="wrap_content"        android:layout_height="wrap_content" />          <TextView        android:id="@+id/PassWordTextView"        android:layout_width="wrap_content"        android:layout_height="wrap_content" /></LinearLayout>

 

 

AndroidManifest.xml

 

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.cloud.android"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk android:minSdkVersion="10" />    <application        android:icon="@drawable/ic_launcher"        android:label="@string/app_name" >        <activity            android:label="@string/app_name"            android:name=".LoginActivity" >            <intent-filter >                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>                    <activity android:name=".ResultActivity"></activity>    </application></manifest>